Quote on the speeds/descent rate/g-forces at touchdown:
Quote:
Less than 1 second before touchdown, the aircraft’s indicated airspeed was 134 knots, and its ground speed was 111 knots. The bank angle was 7.1° to the right, and the pitch attitude was 1° nose up. The rate of descent was recorded as 1110 fpm.
At 1412:43.6, the right main landing gear (MLG) contacted the runway. The aircraft was in a 7.5° bank to the right with 1° of nose-up pitch and 3g vertical acceleration, at a rate of descent of approximately 1098 fpm (18.3 fps).
For our "heavy metal" drivers here, thoughts on the 3g touchdown?
I flew a Citabria a few times out of YBW, it was aerobatic which meant it also has a little g-meter in it. Was always interesting to see what kind of reading you got on it if you put her down a little harder than normal. Never saw anything like 3g's though. Maybe 1.5 at the most.
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I flew a Citabria a few times out of YBW, it was aerobatic which meant it also has a little g-meter in it. Was always interesting to see what kind of reading you got on it if you put her down a little harder than normal. Never saw anything like 3g's though. Maybe 1.5 at the most.
Nice humble brag Bigtime, greased the landing every time! .
At 1412:30, while the aircraft was descending through 153 feet AGL, its indicated airspeed increased to 154 knots whereas the ground speed did not change appreciably, consistent with a performance-increasing wind gust. The PF pulled back the thrust levers, and as a result, over the following 5 seconds, N1 decreased from 64% to approximately 43%, where it remained until touchdown. The airspeed began to decrease.
Note: the phrase "performance-increasing wind gust" is referring to a wind shear situation
Last edited by para transit fellow; 03-20-2025 at 06:10 PM.
G load on landing, while there is a way of seeing it, isn’t something normally looked at. I seem to recall that 1.2-1.5 was kind of a normal range, but haven’t monitored that in a long time.
Vertical speed on the other hand, a normal descent rate below 1000 feet is 700-800 feet per minute, then of course flaring to reduce it to something very low at touchdown. Nearly 1100 feet per minute is high coming down the slope, and crazy high for touchdown.
A tour helicopter lost its main rotor and plunged into the Hudson River today. A Spanish family of five, including three kids, were lost along with the pilot. This had to be terrifying.
A tour helicopter lost its main rotor and plunged into the Hudson River today. A Spanish family of five, including three kids, were lost along with the pilot. This had to be terrifying.
Helicopters man, just a flying anvil and when the whirling pieces stop or come apart it’s a mess. Spent a lot of time in them for work, I just don’t care for them.
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